Pump.



A. LAMURTON. PUMP.

APPLICATION FILED MAY 5. 15H5.v

Patented Oct. 10, 1916.

2 SHEETS-SHEET l.

semi? MM @ff/@Q54 A. L. MORTON.

PUMP.

APPLICATION FILED MAY 5. I9I5.

Patented Oct. 10, 1916.

2 SHEETS-SHEET 2.

WITNESSES:

NETE@ STATES PATENT QFFQE.

ARTHUR L. IVIORTON, 0F SAN 3 OSE, CALIFORNIA, ASSIGNOR TO FLORA lVl.NORTON, OF SAN J OSE, CALIFORNIA.

PUMP.

Lacasse.

Application led May 5, 1915.

T0 all whom z'z may' concern Be it known that I, ARTHUR L. MoR'roN, acitizen of the United States, residing at San Jose, in the county ofSanta Clara and State of California, have invented new and usefulImprovements in Pumps, of which the following is a specification.

This invention relates to a deep well ump.

One of the objects of the present invention is to provide a simple,substantial, cheaply manufactured deep well pump, and particularly toprovide a novel form of impeller and diffusion member which produces aconsiderable increase in efficiency.

Another object of the invention is to provide a simple form of casing orhousing for each impeller and connected diffusion member which may bebuilt up to permit application of additional units where the head isincreased as conditions demand.

Further objects will hereinafter appear.

The invention consists of the parts and the construction and combinationof parts as hereinafter more fully described and claimed, havingreference to the accom panying drawings, in which Figure l is avertical, central section showing the installation of the pump. Fig. 2is a plan view of the runner or impeller. Fig. 3 is a side elevation ofsame. Fig. 4: is a side elevation of the diusion ring. Fig. 5 is ahorizontal section on line 5 5, Fig. 4:.

' Fig. 6 is a horizontal section on the line 6-6,

Fig. 4:.

A indicates the well casing, 2 the pump column or tubing through whichthe water discharged by the pump is elevated, 3 the pump shaft, and 4Cthe surface frame from which the shaft and pump column respectively aresuspended; the shaft being supported by a thrust bearing and driven inany suitable manner (not here shown).

B indicates the pump in general, the casing of which is constructed ofshort pipe sections 5 which are connected by couplings 6; the pumpcasing as a matter of fact be ing nothing more or less than an extensionof the main column 2, as it is constructed of pipe sections connected bycouplings, said pipe sections and couplings being of the same size asthe main column sections.

Mounted interiorly of the pipe fittings or sections 5 is a plurality ofrunners or impel- Speciicaton of Letters Patent.

Patented Oct. 1), 1916.

Serial No. 25,955.

1ers, such as indicated at 7, said impellers being suitably secured uponthe shaft so as to'turn in unison with same, and inten posed betweeneach impeller is a diffusion ring, such as indicated at 8. The diffusionring consists of a central bearing member 9, eXteriorly of which ismounted a ring 10, and interposed between the bearing member 9 and ringl0 vis a plurality of diffusion vanes ll. These vanes are convex orscooplike in shape; the lower end of each vane bemg straight andradially disposed, as indicated at 12 in Fig. 6. The remainder of thevane then gradually assumes a twisted shape, such as indicated at 13, inFigs. 4 and 5. The vanes thus shaped will take the water discharged inthe direction of arrow a from the impeller mounted just below andreverse its direction.

The impeller running in the same direction as arrow a will impart aswirling action to the water which travels in the same direction. lowerend of thediusion vane will lgradually be changed in direction and willnnally be reversed before discharging at the upper end of the diffusionvanes, as the water entering or striking the scoop-shaped vane willgradually turn in the direction of arrow b and finally discharge at theupper end inthe direction of arrow c. The swirling action of the wateris thus destroyed and its direction reversed. The scoop-shape of Thiswater entering the the vanes reverses the direction or flow of the waterwhile thegradual twist provided in the vanes has a tendency to force thewater inwardly toward the intake end of the neXt impeller. The water isadmitted as near the center of the impeller as possible and skinfriction with relation to the inner face of the casing is reduced to aminimum. 'ihe diffusion rings are in this instance placed on top of apipe section, such as inupon the seat, the coupling thus forming ahousing. The impeller, indicated at 7 is interposed between eachdiffusion ring and the pipe sections 5 form housings eXteriorly of theimpellers.

Any suitable number of units may be added to or taken away as conditionswarrant, as it is only necessary to add the desired number of impellers,together with the pipe sections and couplings required. The impellersshown in the present instance are provided with three blades, the outeredges of which are flanged, as indicated at l5. The lower intake of eachblade is straight, as indicated at 16, while the upperl discharge end ofeach blade is considerably inclined, as indicated at 17. This permitsthe blade to receive the water discharged from the upper end of thediffusion vanes and thev water received will be forced up the bladesurface, and as it strikes the inclined upper end it is thrown inwardlytoward the shaft of the center of the casing. The flanged edge of eachblade also has the same tendency. Skin friction on the interior of thecasing isthus considerably reduced.

In operation, referring to Fig. l, it will be seen that the lowermostpipe section 5 serves as the suction or intake end of the pump. Thewater is here lifted by the lowermost impeller indicated at 7 and whendischarged will immediately enter the lower ends of the diffusion vanesin the direction of arrow a. The vanes will then gradually change thedirection or flow of the water and finally discharge it at the upper endin the direction of arrow c. The water will enter the second impellerindicated at 7 in a direction opposite to its revolution, which is inthe direction of arrow a. An efficient action is thus produced, as thewater flowing in a. direction opposite to the revolution of the impelleris more easily gripped and raised than would otherwise be the case.

The cycle of operation or flow of water from one unit to another is thesame as described, the number of units depending upon the head requiredand other conditions. The upper twisted shape of the diffusion vanes,together with the. inclined or angular shape near the upper end of' eachimpeller, has a tendency to increase the efficiency of the pump, as thewater is always discharged or thrown toward the center of the casingwhile passing from one unit to another, reducing skin friction withrelation to the interior of the casing and at the same time deliveringwater at a point where it is more efficiently raised from one unit toanother.

A pump constructed as here shown may be exceedingly cheaply manufacturedas the exterior casing of the pump is constructed of nothing more orless than pipe fittings screwed one into the other. These sections whenscrewed one into the other also form seats and clamping members for theseveral diffusion rings, thereby eliminating any necessity of otherwisesecuring same, and the bearing members provided in each diffusion ring`at the same time serve as an alineiuent for the shaft and bearings forsame.

The materials and finish of the several parts of the apparatus are suchas the eXperience and udgnient of the manufacture may dictate.

I wish it understood that. various changes in form, proportions andminor details of construction may be resorted to within the scope of theappended claims and that l do not wish to limit myself to the specificdesign and construction here shown.

Having thus described my invention, what l claim and desire to secure byLetters Patent isl. In a pump of the character described, a diffusionmember comprising a ring and interior bearing, and a plurality ofdiffusion vanes interiorly of said ring having a radial lower edge, andan increasing twist to their upper ends.

Q. ln al pump of the character described, a diffusion member comprisinga ring, a bearing member centrally disposed within said ring, and aplurality of diffusion vanes interposed between the ring and centralbearing, said Yanes having horizontal radially disposed lower edges, anda gradually increasing spiral, terminating in inwardly twisted upperterminal edges.

In a pump of the character described, a diffusion member comprising aring, a hearing member centrally disposed within said ring, and alplurality of diffusion vanes interposed between the ring and centralbearing, said vanes having a gradually increasing twist reversely to thedirection of the impellers on a line taken through their longitudinalaxis, and having their upper ends turned inwardly or twisted,substantially as described.

et. In a pump of the character described, an impeller comprising a hub,a plurality of radially disposed, inclined blades on said hub, theintake end of each blade being straight and radial to the hub, and thedischarge upper end inclining upwardly and outwardly, and a flange ofgradually increasing height from the base to the top on the outer edgeof each blade.

In a pump of the character described, an impeller comprising a hub and aplurality of radially disposed, inclined blades on said hub, the intakeend of each blade being horizontally disposed with relation to avertical line through the hub, and the discharge end of each blade beingdisposed at an upward obtuse angle with relation to thevertical line.

6. A pump comprising cylindrical pipe sections, couplings by which thesections are united in a continuous straight line, diffusion devicesconsisting of outer rings clamped between the meeting ends of the pipesection, and interior tubular shaft guides and a plurality of interposedvanes having substantially radial lower edges and a graduallyincreasing` upward axial curvature with an inward terminal twist at thetop, a shaft turnable in the central bearing guides, spiral impellerblades with radial horizontal lower edges, and upwardly inclined upperedges, and vertical peripheral flanges increasing in height from thebase to the top, and coacting with the dinsion vanes to change thedirection of flow through said vanes.

7. In a pump of the character described, means to check the outwardwhirling motion and peripheral friction of the water, consisting offixed diusion vanes with horizontal radially disposed lower edges, saidvanes gradually increasing in curvature upward around the axis, andterminating in an inward twist, and rotary impellers having radialstraight edges, to which the water is delivered from the diffusion vanesin an opposite direction from its entrance to the vanes. c

In testimony whereof I have hereunto set my hand in the presence of twosubscribing witnesses.

ARTHUR L. MORTON.

IVitnesses:

JOHN H. HERRING, W. W. HEALEY.

Copies of this patent may be obtained for ve cents each, by addressingthe Commissioner of Patents, Washington, D. C.

